Polarization transfer in the {sup 4}He({rvec e}, e{prime}{rvec p}){sup 3}H reaction
Conference
·
OSTI ID:824704
Polarization transfer in the {sup 4}He ({rvec e}, e{prime}{rvec p}){sup 3}H reaction was measured at Q{sup 2} of 0.4 GeV{sup 2} at MAMI, Mainz, and at Q{sup 2} of 0.5, 1.0, 1.6 and 2.6 GeV{sup 2} at the Thomas Jefferson National Accelerator Facility (Jefferson Lab), Newport News. The ratio of transverse to longitudinal polarization components of the ejected proton was compared with the same ratio for {sup 1}He({rvec e}, e{prime}{rvec p}). Results at lower Q{sup 2} are consistent with a recent relativistic calculation including a predicted medium modification of the proton form factor based on a quark-meson coupling model.
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 824704
- Report Number(s):
- JLAB-PHY-00-66; DOE/ER/40150-2691
- Country of Publication:
- United States
- Language:
- English
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